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Date: Sun, 8 Nov 2009 12:48:29 +0100 From: Ingo Molnar <mingo@...e.hu> To: Sam Ravnborg <sam@...nborg.org> Cc: mingo@...hat.com, hpa@...or.com, linux-kernel@...r.kernel.org, hare@...e.de, akpm@...ux-foundation.org, tglx@...utronix.de, linux-tip-commits@...r.kernel.org Subject: Re: [tip:x86/urgent] x86: Add back _end symbol that is missing from Symbol.map * Sam Ravnborg <sam@...nborg.org> wrote: > On Sun, Nov 08, 2009 at 11:07:12AM +0000, tip-bot for Hannes Reinecke wrote: > > Commit-ID: d1e4d37b79e944f6351ae38eb1ca7c9f7b506e76 > > Gitweb: http://git.kernel.org/tip/d1e4d37b79e944f6351ae38eb1ca7c9f7b506e76 > > Author: Hannes Reinecke <hare@...e.de> > > AuthorDate: Wed, 4 Nov 2009 07:19:32 -0800 > > Committer: Ingo Molnar <mingo@...e.hu> > > CommitDate: Sun, 8 Nov 2009 12:05:03 +0100 > > > > x86: Add back _end symbol that is missing from Symbol.map > > > > With 2.6.31 'crash' on x86_64 falls flat on its face as the > > '_end' symbol is missing from the System.map file. > > > > The culprit is commit 091e52c3551d3031343df24b573b770b4c6c72b6, > > which moved the '_end' symbol into it's own section. Apparently > > this causes kallsyms to not reference it properly. > > > > So do not include _end in it's own section. > > > > Signed-off-by: Andrew Morton <akpm@...ux-foundation.org> > > Cc: Sam Ravnborg <sam@...nborg.org> > > Cc: <stable@...nel.org> # .31.x > > LKML-Reference: <200911041519.nA4FJWEW030164@...p1.linux-foundation.org> > > Signed-off-by: Ingo Molnar <mingo@...e.hu> > > I'm afraid this will break a RELOCTABLE i386 kernel. > > We fixed this up some time ago where we had to > move the symbol definition inside a section > to prevent the symbol being absolute. ah, indeed. So ... the question is then, why did _end disappear from System.map? Ingo -- To unsubscribe from this list: send the line "unsubscribe linux-kernel" in the body of a message to majordomo@...r.kernel.org More majordomo info at http://vger.kernel.org/majordomo-info.html Please read the FAQ at http://www.tux.org/lkml/
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